<nav class="container-fluid text-center">
    <div>
        <img src="/images/logo.png" alt="logo">
        <span>TMR</span>
    </div>
    <ul>
        <li class="on"><a href="/">Index</a></li>
        <li><a href="/userCenter">User center</a></li>
        <li><a href="/missionCenter">Mission center</a></li>
        <li class="login"><a href="/loginRegister">Log / Reg</a></li>
    </ul>
</nav>